Hat Attack Leather and Rabbit Earmuff in Brown. Hat Attack Leather and Rabbit Earmuff in Brown. Fur: 100% natural rabbit furContrast: 100% leather. Fur Origin: China. Dry clean only. Natural rabbit fur. HATR-WH70. YER709. Hat Attack became official in 1981 and has been making waves in the fashion world ever since. The high-design affordable accessories line features everything from hats to mittens scarves to clutches. A celebrity favorite, Hat Attack pieces are worn by Kristin Cavallari and featured in major fashion magazines.